Aon (AON) Other Operating Expenses (2009 - 2026)

Aon's Other Operating Expenses history runs 18 years deep, the most recent figure standing at $3.0 billion for Q1 2026.

• On a quarterly basis, Other Operating Expenses rose 2.11% year-over-year to $3.0 billion in Q1 2026; TTM through Mar 2026 was $11.6 billion, a 3.29% increase from a year earlier, with the FY2025 full-year figure at $11.6 billion, up 9.02% from the prior year.
• Other Operating Expenses climbed to $3.0 billion in Q1 2026 per AON's latest filing, from $2.7 billion in the prior quarter.
• Across five years, Other Operating Expenses topped out at $3.0 billion in Q1 2026 and bottomed at $1.9 billion in Q3 2022.
• The 5-year median for Other Operating Expenses is $2.3 billion (2024), against an average of $2.5 billion.
• Across the five-year window, Other Operating Expenses sank 41.92% in 2022 and jumped 36.79% in 2024, its largest moves.
• Year by year, Other Operating Expenses stood at $1.9 billion in 2022, then advanced by 18.46% to $2.3 billion in 2023, then grew by 22.22% to $2.8 billion in 2024, then retreated by 1.41% to $2.7 billion in 2025, then rose by 10.29% to $3.0 billion in 2026.
• Per Business Quant, the three latest AON Other Operating Expenses figures stand at $3.0 billion (Q1 2026), $2.7 billion (Q4 2025), and $2.9 billion (Q3 2025).